| 摘要 |
The present disclosure presents a shift register and a gate driver circuit comprising a signal input unit, a reset control unit, a light emitting signal output control unit, and a scanning signal output control unit. At a charging phase, the signal input unit controls the light emitting signal output control unit to conductively connect the first reference signal terminal to the light emitting signal output terminal, and controls the scanning signal output control unit to conductively connect the second clock signal terminal to the scanning signal output terminal. At a scanning signal output phase, the scanning signal output terminal outputs a scanning signal. At a light emitting signal output phase, the light emitting signal output terminal outputs a light emitting signal. The above shift register provided according to an embodiment of the present disclosure integrates the function of outputting scanning signals and the function of outputting light emitting signals. |
| 主权项 |
1. A shift register, comprising:
a signal input unit having an input terminal connected to a first reference signal terminal, a first control terminal connected to a first clock signal terminal, a second control terminal connected to a signal input terminal, a first output terminal connected to a first node, and a second output terminal connected to a second node; a reset control unit connected to the signal input unit at the second node and having an input terminal connected to a second reference signal terminal, a control terminal connected to a reset signal terminal, and an output terminal connected to the second node; a light emitting signal output control unit connected to the signal input unit at the first node and connected to the reset control unit at the second node and having a first input terminal connected to the first reference signal terminal, a second input terminal connected to the second reference signal terminal, a first control terminal connected to the first node, a second control terminal connected to the second node, and an output terminal connected to a light emitting signal output terminal; and a scanning signal output control unit connected to the signal input unit at the first node and connected to the light emitting signal output control unit and having a first input terminal connected to a second clock signal terminal, a second input terminal connected to the first reference signal terminal, a third input terminal connected to the second reference signal terminal, a first control terminal connected to the first node, a second control terminal connected to the output terminal of the light emitting signal output control unit, and an output terminal connected to a scanning signal output terminal, wherein at a charging phase, under the control of the first clock signal terminal and the signal input terminal, the signal input unit controls, via the first node, the light emitting signal output control unit to conductively connect the first reference signal terminal to the light emitting signal output terminal, and controls the scanning signal output control unit to conductively connect the second clock signal terminal to the scanning signal output terminal; wherein at a scanning signal output phase, the light emitting signal output control unit conductively connects the first reference signal terminal to the light emitting signal output terminal, the scanning signal output control unit conductively connects the second clock signal terminal to the scanning signal output terminal, and the scanning signal output terminal outputs a scanning signal under the control of the second clock signal terminal; wherein at a light emitting signal output phase, under the control of the reset signal terminal and the second reference signal terminal, the reset control unit controls, via the second node, the light emitting signal output control unit to conductively connect the second reference signal terminal to the light emitting signal output terminal such that the light emitting signal output terminal outputs a light emitting signal, and the scanning signal output control unit conductively connects the first reference signal terminal to the scanning signal output terminal under the control of the light emitting signal output terminal; wherein the scanning signal output control unit further comprises a first control module, the first control module is configured to conductively connect the first reference signal terminal to the scanning signal output terminal at the light emitting signal output phase and comprises a first switching transistor, a second switching transistor, and a third switching transistor,
wherein the first switching transistor has a gate connected to the light emitting signal output terminal, a source connected to a drain of the second switching transistor, and a drain connected to second reference signal terminal;wherein the second switching transistor has a gate connected to first node, a source connected to the first reference signal terminal, and a drain connected to the source of the first switching transistor; andwherein the third switching transistor has a gate connected to the source of the first switching transistor and the drain of the second switching transistor, respectively, a source connected to the first reference signal terminal, and a drain connected to the scanning signal output terminal. |
